Finding the Fourth Proportional to 1,267,309.08, 1,748,819.68 and 723,423.24
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Solution
The fourth proportional to 1,267,309.08, 1,748,819.68 and 723,423.24 is: 998,285.91
Step by Step Solution
- Step 1: Write the proportion equation
1,267,309.08 : 1,748,819.68 = 723,423.24 : x - Step 2: Convert to fraction form
1,267,309.08/1,748,819.68 = 723,423.24/x - Step 3: Cross multiply
1,267,309.08x = 1,748,819.68 × 723,423.24 - Step 4: Simplify right side
1,267,309.08x = 1,265,136,799,081.36 - Step 5: Solve for x
x = 1,265,136,799,081.36/1,267,309.08 - Step 6: Final answer
x = 998,285.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.